Treasure, World, U.S. Coin & Paper Money Auction 29

Potosi, Bolivia, cob 8 reales, 1771V-Y. S-P59; KM-45; Cal-1154. 26.96 grams. Small, fat, chunky flan with bold and high-grade (XF+) centers ringed wit

Potosi, Bolivia, cob 8 reales, 1772V-Y, assayer Y at lower right (rare). S-P59; KM-unl (45 for type); Cal-unl (Type 109). 22.80 grams. Well-centered p

Potosi, Bolivia, cob 8 reales, 1773/2(V)-Y, rare final date of cobs. S-P59; KM-45; Cal-1157. 26.97 grams. Very crude and chunky (ending the long run o

Potosi, Bolivia, cob 4 reales, 1658E. S-P37a; KM-18; Cal-1125. 12.77 grams. Broad-flan AVF, richly toned, with good full pillars-and-waves and cross,

Potosi, Bolivia, cob 4 reales, 1743C. S-P49; KM-30a; Cal-1203. 13.97 grams. Good full pillars and cross, two bold assayers and part of a third, two da

Potosi, Bolivia, cob 4 reales, 1750E. S-P51; KM-39; Cal-403. 13.56 grams. Choice specimen with bold and full cross and (slightly doubled) pillars-and-

Potosi, Bolivia, cob 4 reales, 1751E. S-P51; KM-39; Cal-404. 12.95 grams. Bold full pillars and nearly full cross, two bold dates and parts of all thr

Potosi, Bolivia, cob 4 reales, 1751q/E. S-P52; KM-39; Cal-unl (Type 55). 11.09 grams. Small, oblong, chunky flan with good full pillars and cross, par

Potosi, Bolivia, cob 4 reales, 1752q. S-P52; KM-39; Cal-406. 13.61 grams. Full pillars-and-waves, good but slightly off-center cross, bold date, three

Potosi, Bolivia, cob 4 reales, 1753q. S-P52; KM-39; Cal-407. 13.64 grams. Broad flan for the era (but still chunky), with nearly full pillars and (wel